crane boom 中文意思是什麼
crane boom
解釋
吊車臂-
Have the boom pennant wires of port crane re - certified
重新認證左舷吊車扒桿變幅繩 -
Telescoping - boom crane
可伸縮吊桿起重機 -
Walling under the rotation radius of crane boom is prohibited
吊臂旋轉半徑下，禁止人行走。 -
Crane boom hoist disengaging device
起重機吊桿構架提升的分離裝置 -
It builds a physical model according to hoisting capacity, lifting angle and structural stabiliy, theory, solves the problem of function relationships among lifting capacity, lifting angle, boom weight, boom dimension and deduces the natural boundary condition of design parameters, providing a new way to determine crane design parameters
摘要將起重量和起吊幅度為基本設計依據，以壓桿穩定理論為分析基礎，結合專業知識，建立物理模型，解決了起重量、起吊幅度與吊臂質量、吊臂主要參數之間的函數關系的難題，首次確定出設計參數的自然邊界條件，為起重機設計者提供了確定設計參數的新方法和科學依據，具有開創意義。 -
To raise or lower ( the boom of a crane or derrick
起重吊桿是一種最簡單的起重機。 -
The article introduces development course of hoist boom of wheel crane, talking about technique characteristics during each stage, and it also introduces the most advanced technique about hoist boom
摘要論述了輪式起重機起重臂的發展歷程，敘述了各階段的技術特點，介紹了當前最先進的吊臂技術。 -
The design manual falls into three parts : chapter 1, as the overal design part, mainly descirbes how to determine which mechanisms with what metal structures shall be used and illustrates how to design its boom structure and balancing system, including point search, calculation and check ; chapter 2 introduces how to design the crane ' s running gear, including model selection, wheel pressure calculation and overall stability check ; and chapter 3 deals with model selection of its lifting mechanism and related calculations
說明書詳細的介紹了該型號起重機的總體設計及行走機構設計和計算過程，總共分為三章：第一章為起重機總體設計部分，主要內容是起重機各機構和金屬結構型式的確定，並用作圖法對臂架結構和平衡系統進行設計，包括了機構找點，驗算及校核；第二部分是運行機構的設計計算，包括了運行機構的選型，輪壓計算，整機穩定性校核；第三部分為起升機構的傳動方案選型和設計計算。 -
The long boom of the crane functions like our arms
起重機的長支臂功能像我們的手臂。 -
Through deeply comprehending the theory of structure calculation of the crane and secondary development technology, especially how to realize the method of structure analysis and calculation of the port tyre crane, i succeed in parameterized finite element modeling of the port tyre crane body and boom based on apdl
該平臺參數化、模塊化建立港口輪胎式起重機的有限元模型，可方便地進行力學分析，為港口輪胎式起重機的設計研發提供一個快速、準確的參考結果。 -
Combining the design of portal crane luffing mechanism, this paper set up the math model independently and synthetically of the single boom system with compensating pulley and level - balancing weight. use genetic algorithms to optimize the model, the calculated results show as follows the genetic algorithms is effective and manipulable, the synthetically optimize is best than independently optimize. the optimization program of luffing mechanism was build, and this will be a useful tool in the design of crane
結合門座起重機變幅機構的設計，建立了導向滑輪補償系統和杠桿? ?活對重臂架自重平衡系統獨立模型和綜合模型的未平衡力矩最小的優化問題，結合遺傳演算法對它進行了優化，結果證實了該演算法的有效性和可行性，表明了綜合優化比獨立優化更能提高優化的準確性。 -
Stand clear of the swinging boom of the crane
不要走近轉動的超重機吊桿。 -
The optimization design of portal crane luffing system is the result that optimization design apply in engineering design, but because the engineering problem is complicated, the traditional optimization design method is not very successful. in this paper, the optimization of the single boom system with compensating pulley and level - balancing weight is studied. in the math model, the wire rope length encircled in the pulley and reel is considered, that enhance the optimization precision and introduce genetic algorithms, combine engineering tightly, that settle the difficult in the traditional optimization successfully
門機變幅系統優化設計是將優化設計方法應用於工程設計中的產物，但由於設計工程問題的復雜性，採用傳統的優化設計方法優化的成功率及效果並不理想。本文以單臂架變幅機構導向滑輪補償系統和杠桿? ?活對重臂架自重平衡系統的獨立模型及綜合模型為研究對象，考慮了滑輪和捲筒處包繞的鋼絲繩長度變化，從而提高了優化模型的精度，同時引進一種新型優化演算法? ?遺傳演算法，緊密結合工程實際，較為圓滿的解決優化過程中存在的問題。 -
The long boom of the crane function like our arms
起重機的長臂與我們的手臂功能相同。
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